The text should clarify if the meaning of "left" is affected by possible specification of the bidiVisual element.
If not, this is a contradiction to the second paragraph of section 2.4.1 "bidiVisual (Visually Right to Left Table)" on page 281, in particular of the example appearing there.
If yes, the name of this element should be changed to "lead".

Provide more information on the border property definitions to make this clearer.

Change the name of the property to "lead" as appropriate.

"left (Table Cell Left Border)"
, page 347 Section 2.4.24

te

Proposed Disposition of DIS 29500 Comment IL-0008 (Modified: 2008-01-03) Agreed, this was not made clear; the following insertion will be made in Part 4, §2.4.24, page 347, below line 11. For tables which have the bidiVisual property (§2.4.1) applied, this border is applied to the right edge of the cell. As well, use of the current element will be deprecated and replaced with a new directionally-neutral element named “start” with the same semantics. Accordingly, we will remove the left element from its current location in the specification (Part 4, §2.4.24 pages 347­353), and place it into a new annex for deprecated features. Following the precedent set by other ISO standards (such as SQL’s ISO 9075:2003 Part 1 and C++’s ISO/IEC 14882:1998), we will make use of a new Annex that contains normative descriptions of all deprecated features. The intent of this Annex is to enable a transitional period during which existing binary documents being migrated to DIS 29500 can make use of those deprecated features to preserve their fidelity, while noting that new documents should not use them. Accordingly, the Conformance clause will also be changed to state that newly created documents (those not created by migrating existing binary documents) should not use deprecated features. All deprecated features will be removed from their current locations in the standard, but will be fully defined in this new Annex.